Win32 API 日本語リファレンス
ホーム › System.Hypervisor › WHvGetVirtualProcessorRegisters

WHvGetVirtualProcessorRegisters

関数
仮想プロセッサのレジスタ値を取得する。
DLLWinHvPlatform.dll呼出規約winapi

シグネチャ

// WinHvPlatform.dll
#include <windows.h>

HRESULT WHvGetVirtualProcessorRegisters(
    WHV_PARTITION_HANDLE Partition,
    DWORD VpIndex,
    const WHV_REGISTER_NAME* RegisterNames,
    DWORD RegisterCount,
    WHV_REGISTER_VALUE* RegisterValues
);

パラメーター

名前型方向説明
PartitionWHV_PARTITION_HANDLEinレジスタを取得する対象パーティションハンドル。
VpIndexDWORDin対象仮想プロセッサのインデックス番号。
RegisterNamesWHV_REGISTER_NAME*in取得するレジスタ名を列挙した配列へのポインタ。
RegisterCountDWORDin取得するレジスタの個数。配列要素数を指定する。
RegisterValuesWHV_REGISTER_VALUE*out取得したレジスタ値を受け取る配列へのポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

// WinHvPlatform.dll
#include <windows.h>

HRESULT WHvGetVirtualProcessorRegisters(
    WHV_PARTITION_HANDLE Partition,
    DWORD VpIndex,
    const WHV_REGISTER_NAME* RegisterNames,
    DWORD RegisterCount,
    WHV_REGISTER_VALUE* RegisterValues
);
[DllImport("WinHvPlatform.dll", ExactSpelling = true)]
static extern int WHvGetVirtualProcessorRegisters(
    IntPtr Partition,   // WHV_PARTITION_HANDLE
    uint VpIndex,   // DWORD
    ref int RegisterNames,   // WHV_REGISTER_NAME*
    uint RegisterCount,   // DWORD
    IntPtr RegisterValues   // WHV_REGISTER_VALUE* out
);
<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvGetVirtualProcessorRegisters(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    VpIndex As UInteger,   ' DWORD
    ByRef RegisterNames As Integer,   ' WHV_REGISTER_NAME*
    RegisterCount As UInteger,   ' DWORD
    RegisterValues As IntPtr   ' WHV_REGISTER_VALUE* out
) As Integer
End Function
' Partition : WHV_PARTITION_HANDLE
' VpIndex : DWORD
' RegisterNames : WHV_REGISTER_NAME*
' RegisterCount : DWORD
' RegisterValues : WHV_REGISTER_VALUE* out
Declare PtrSafe Function WHvGetVirtualProcessorRegisters Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal VpIndex As Long, _
    ByRef RegisterNames As Long, _
    ByVal RegisterCount As Long, _
    ByVal RegisterValues As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

WHvGetVirtualProcessorRegisters = ctypes.windll.winhvplatform.WHvGetVirtualProcessorRegisters
WHvGetVirtualProcessorRegisters.restype = ctypes.c_int
WHvGetVirtualProcessorRegisters.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    wintypes.DWORD,  # VpIndex : DWORD
    ctypes.c_void_p,  # RegisterNames : WHV_REGISTER_NAME*
    wintypes.DWORD,  # RegisterCount : DWORD
    ctypes.c_void_p,  # RegisterValues : WHV_REGISTER_VALUE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvGetVirtualProcessorRegisters = Fiddle::Function.new(
  lib['WHvGetVirtualProcessorRegisters'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    -Fiddle::TYPE_INT,  # VpIndex : DWORD
    Fiddle::TYPE_VOIDP,  # RegisterNames : WHV_REGISTER_NAME*
    -Fiddle::TYPE_INT,  # RegisterCount : DWORD
    Fiddle::TYPE_VOIDP,  # RegisterValues : WHV_REGISTER_VALUE* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winhvplatform")]
extern "system" {
    fn WHvGetVirtualProcessorRegisters(
        Partition: isize,  // WHV_PARTITION_HANDLE
        VpIndex: u32,  // DWORD
        RegisterNames: *const i32,  // WHV_REGISTER_NAME*
        RegisterCount: u32,  // DWORD
        RegisterValues: *mut WHV_REGISTER_VALUE  // WHV_REGISTER_VALUE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvGetVirtualProcessorRegisters(IntPtr Partition, uint VpIndex, ref int RegisterNames, uint RegisterCount, IntPtr RegisterValues);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvGetVirtualProcessorRegisters' -Namespace Win32 -PassThru
# $api::WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
#uselib "WinHvPlatform.dll"
#func global WHvGetVirtualProcessorRegisters "WHvGetVirtualProcessorRegisters" sptr, sptr, sptr, sptr, sptr
; WHvGetVirtualProcessorRegisters Partition, VpIndex, varptr(RegisterNames), RegisterCount, varptr(RegisterValues)   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "sptr"
; RegisterNames : WHV_REGISTER_NAME* -> "sptr"
; RegisterCount : DWORD -> "sptr"
; RegisterValues : WHV_REGISTER_VALUE* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数: 
#uselib "WinHvPlatform.dll"
#cfunc global WHvGetVirtualProcessorRegisters "WHvGetVirtualProcessorRegisters" sptr, int, var, int, var
; res = WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "int"
; RegisterNames : WHV_REGISTER_NAME* -> "var"
; RegisterCount : DWORD -> "int"
; RegisterValues : WHV_REGISTER_VALUE* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; HRESULT WHvGetVirtualProcessorRegisters(WHV_PARTITION_HANDLE Partition, DWORD VpIndex, WHV_REGISTER_NAME* RegisterNames, DWORD RegisterCount, WHV_REGISTER_VALUE* RegisterValues)
#uselib "WinHvPlatform.dll"
#cfunc global WHvGetVirtualProcessorRegisters "WHvGetVirtualProcessorRegisters" intptr, int, var, int, var
; res = WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; VpIndex : DWORD -> "int"
; RegisterNames : WHV_REGISTER_NAME* -> "var"
; RegisterCount : DWORD -> "int"
; RegisterValues : WHV_REGISTER_VALUE* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvGetVirtualProcessorRegisters = winhvplatform.NewProc("WHvGetVirtualProcessorRegisters")
)

// Partition (WHV_PARTITION_HANDLE), VpIndex (DWORD), RegisterNames (WHV_REGISTER_NAME*), RegisterCount (DWORD), RegisterValues (WHV_REGISTER_VALUE* out)
r1, _, err := procWHvGetVirtualProcessorRegisters.Call(
	uintptr(Partition),
	uintptr(VpIndex),
	uintptr(RegisterNames),
	uintptr(RegisterCount),
	uintptr(RegisterValues),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WHvGetVirtualProcessorRegisters(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  VpIndex: DWORD;   // DWORD
  RegisterNames: Pointer;   // WHV_REGISTER_NAME*
  RegisterCount: DWORD;   // DWORD
  RegisterValues: Pointer   // WHV_REGISTER_VALUE* out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvGetVirtualProcessorRegisters';
result := DllCall("WinHvPlatform\WHvGetVirtualProcessorRegisters"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "UInt", VpIndex   ; DWORD
    , "Ptr", RegisterNames   ; WHV_REGISTER_NAME*
    , "UInt", RegisterCount   ; DWORD
    , "Ptr", RegisterValues   ; WHV_REGISTER_VALUE* out
    , "Int")   ; return: HRESULT
●WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues) = DLL("WinHvPlatform.dll", "int WHvGetVirtualProcessorRegisters(int, dword, void*, dword, void*)")
# 呼び出し: WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
# Partition : WHV_PARTITION_HANDLE -> "int"
# VpIndex : DWORD -> "dword"
# RegisterNames : WHV_REGISTER_NAME* -> "void*"
# RegisterCount : DWORD -> "dword"
# RegisterValues : WHV_REGISTER_VALUE* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
const std = @import("std");

extern "winhvplatform" fn WHvGetVirtualProcessorRegisters(
    Partition: isize, // WHV_PARTITION_HANDLE
    VpIndex: u32, // DWORD
    RegisterNames: [*c]i32, // WHV_REGISTER_NAME*
    RegisterCount: u32, // DWORD
    RegisterValues: [*c]WHV_REGISTER_VALUE // WHV_REGISTER_VALUE* out
) callconv(std.os.windows.WINAPI) i32;
proc WHvGetVirtualProcessorRegisters(
    Partition: int,  # WHV_PARTITION_HANDLE
    VpIndex: uint32,  # DWORD
    RegisterNames: ptr int32,  # WHV_REGISTER_NAME*
    RegisterCount: uint32,  # DWORD
    RegisterValues: ptr WHV_REGISTER_VALUE  # WHV_REGISTER_VALUE* out
): int32 {.importc: "WHvGetVirtualProcessorRegisters", stdcall, dynlib: "WinHvPlatform.dll".}
pragma(lib, "winhvplatform");
extern(Windows)
int WHvGetVirtualProcessorRegisters(
    ptrdiff_t Partition,   // WHV_PARTITION_HANDLE
    uint VpIndex,   // DWORD
    int* RegisterNames,   // WHV_REGISTER_NAME*
    uint RegisterCount,   // DWORD
    WHV_REGISTER_VALUE* RegisterValues   // WHV_REGISTER_VALUE* out
);
ccall((:WHvGetVirtualProcessorRegisters, "WinHvPlatform.dll"), stdcall, Int32,
      (Int, UInt32, Ptr{Int32}, UInt32, Ptr{WHV_REGISTER_VALUE}),
      Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
# Partition : WHV_PARTITION_HANDLE -> Int
# VpIndex : DWORD -> UInt32
# RegisterNames : WHV_REGISTER_NAME* -> Ptr{Int32}
# RegisterCount : DWORD -> UInt32
# RegisterValues : WHV_REGISTER_VALUE* out -> Ptr{WHV_REGISTER_VALUE}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t WHvGetVirtualProcessorRegisters(
    intptr_t Partition,
    uint32_t VpIndex,
    int32_t* RegisterNames,
    uint32_t RegisterCount,
    void* RegisterValues);
]]
local winhvplatform = ffi.load("winhvplatform")
-- winhvplatform.WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
-- Partition : WHV_PARTITION_HANDLE
-- VpIndex : DWORD
-- RegisterNames : WHV_REGISTER_NAME*
-- RegisterCount : DWORD
-- RegisterValues : WHV_REGISTER_VALUE* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('WinHvPlatform.dll');
const WHvGetVirtualProcessorRegisters = lib.func('__stdcall', 'WHvGetVirtualProcessorRegisters', 'int32_t', ['intptr_t', 'uint32_t', 'int32_t *', 'uint32_t', 'void *']);
// WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
// Partition : WHV_PARTITION_HANDLE -> 'intptr_t'
// VpIndex : DWORD -> 'uint32_t'
// RegisterNames : WHV_REGISTER_NAME* -> 'int32_t *'
// RegisterCount : DWORD -> 'uint32_t'
// RegisterValues : WHV_REGISTER_VALUE* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("WinHvPlatform.dll", {
  WHvGetVirtualProcessorRegisters: { parameters: ["isize", "u32", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues)
// Partition : WHV_PARTITION_HANDLE -> "isize"
// VpIndex : DWORD -> "u32"
// RegisterNames : WHV_REGISTER_NAME* -> "pointer"
// RegisterCount : DWORD -> "u32"
// RegisterValues : WHV_REGISTER_VALUE* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t WHvGetVirtualProcessorRegisters(
    intptr_t Partition,
    uint32_t VpIndex,
    int32_t* RegisterNames,
    uint32_t RegisterCount,
    void* RegisterValues);
C, "WinHvPlatform.dll");
// $ffi->WHvGetVirtualProcessorRegisters(Partition, VpIndex, RegisterNames, RegisterCount, RegisterValues);
// Partition : WHV_PARTITION_HANDLE
// VpIndex : DWORD
// RegisterNames : WHV_REGISTER_NAME*
// RegisterCount : DWORD
// RegisterValues : WHV_REGISTER_VALUE* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Winhvplatform extends StdCallLibrary {
    Winhvplatform INSTANCE = Native.load("winhvplatform", Winhvplatform.class);
    int WHvGetVirtualProcessorRegisters(
        long Partition,   // WHV_PARTITION_HANDLE
        int VpIndex,   // DWORD
        IntByReference RegisterNames,   // WHV_REGISTER_NAME*
        int RegisterCount,   // DWORD
        Pointer RegisterValues   // WHV_REGISTER_VALUE* out
    );
}
@[Link("winhvplatform")]
lib LibWinHvPlatform
  fun WHvGetVirtualProcessorRegisters = WHvGetVirtualProcessorRegisters(
    Partition : LibC::SSizeT,   # WHV_PARTITION_HANDLE
    VpIndex : UInt32,   # DWORD
    RegisterNames : Int32*,   # WHV_REGISTER_NAME*
    RegisterCount : UInt32,   # DWORD
    RegisterValues : WHV_REGISTER_VALUE*   # WHV_REGISTER_VALUE* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WHvGetVirtualProcessorRegistersNative = Int32 Function(IntPtr, Uint32, Pointer<Int32>, Uint32, Pointer<Void>);
typedef WHvGetVirtualProcessorRegistersDart = int Function(int, int, Pointer<Int32>, int, Pointer<Void>);
final WHvGetVirtualProcessorRegisters = DynamicLibrary.open('WinHvPlatform.dll')
    .lookupFunction<WHvGetVirtualProcessorRegistersNative, WHvGetVirtualProcessorRegistersDart>('WHvGetVirtualProcessorRegisters');
// Partition : WHV_PARTITION_HANDLE -> IntPtr
// VpIndex : DWORD -> Uint32
// RegisterNames : WHV_REGISTER_NAME* -> Pointer<Int32>
// RegisterCount : DWORD -> Uint32
// RegisterValues : WHV_REGISTER_VALUE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WHvGetVirtualProcessorRegisters(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  VpIndex: DWORD;   // DWORD
  RegisterNames: Pointer;   // WHV_REGISTER_NAME*
  RegisterCount: DWORD;   // DWORD
  RegisterValues: Pointer   // WHV_REGISTER_VALUE* out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvGetVirtualProcessorRegisters';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WHvGetVirtualProcessorRegisters"
  c_WHvGetVirtualProcessorRegisters :: CIntPtr -> Word32 -> Ptr Int32 -> Word32 -> Ptr () -> IO Int32
-- Partition : WHV_PARTITION_HANDLE -> CIntPtr
-- VpIndex : DWORD -> Word32
-- RegisterNames : WHV_REGISTER_NAME* -> Ptr Int32
-- RegisterCount : DWORD -> Word32
-- RegisterValues : WHV_REGISTER_VALUE* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let whvgetvirtualprocessorregisters =
  foreign "WHvGetVirtualProcessorRegisters"
    (intptr_t @-> uint32_t @-> (ptr int32_t) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* Partition : WHV_PARTITION_HANDLE -> intptr_t *)
(* VpIndex : DWORD -> uint32_t *)
(* RegisterNames : WHV_REGISTER_NAME* -> (ptr int32_t) *)
(* RegisterCount : DWORD -> uint32_t *)
(* RegisterValues : WHV_REGISTER_VALUE* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library winhvplatform (t "WinHvPlatform.dll"))
(cffi:use-foreign-library winhvplatform)

(cffi:defcfun ("WHvGetVirtualProcessorRegisters" whv-get-virtual-processor-registers :convention :stdcall) :int32
  (partition :int64)   ; WHV_PARTITION_HANDLE
  (vp-index :uint32)   ; DWORD
  (register-names :pointer)   ; WHV_REGISTER_NAME*
  (register-count :uint32)   ; DWORD
  (register-values :pointer))   ; WHV_REGISTER_VALUE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $WHvGetVirtualProcessorRegisters = Win32::API::More->new('WinHvPlatform',
    'int WHvGetVirtualProcessorRegisters(LPARAM Partition, DWORD VpIndex, LPVOID RegisterNames, DWORD RegisterCount, LPVOID RegisterValues)');
# my $ret = $WHvGetVirtualProcessorRegisters->Call($Partition, $VpIndex, $RegisterNames, $RegisterCount, $RegisterValues);
# Partition : WHV_PARTITION_HANDLE -> LPARAM
# VpIndex : DWORD -> DWORD
# RegisterNames : WHV_REGISTER_NAME* -> LPVOID
# RegisterCount : DWORD -> DWORD
# RegisterValues : WHV_REGISTER_VALUE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

使用する型